Wednesday, January 17, 2018

How to generate an installable image from an existing hard-drive installation

I installed a Kubuntu on a spare work computer and i am now configuring it for the standard user's needs. My goal is, to install it on 4 rarely used PCs for them to play around with, and maybe put it on their own computer some time.


There is some stuff i want to be the same on every computer (e.g. Thunderbird instead of Evolution, the mail-in and mail-out server of the users), and stuff that needs to be customized on every machine, like (hostname, a different user on each PC, ..).


Also, the computers have differently sized hard drives. Will a 10GB image pushed onto a 300GB hard drive "break" the file system so it seems to be only 10GB big? Sorry, this is hard to explain in English.


Does anyone know of a way to generate a custom image of a full hard disk sda1 as /, sda2 as swap and sda3 as /home? Also, if I just burn the .iso on a DVD I won't be able to boot and push the image on the HDD, right?

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